<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This article presents investigations performed on a 25 kV AC system with a Scott transformer simulation model. The model includes an energy quality parameter calculation algorithm with consideration to the train timetable. The simulation results enable an analysis of the energy quality parameters at the point of connection of the traction substation to the supplying grid. The presented tool enables the simultaneous calculation of voltage unbalance and harmonic content. The article presents the results of the energy quality analysis at the substation connection point for the specific location. The simulation results of the energy quality parameters are appraised on the basis of standard EN 50160:2010. The tool may prove helpful in the process of designing electrification systems, especially in the choice of traction transformer and power electronics device mitigating an imbalance and harmonic impact.</p></abstract>

This article presents investigations performed on a 25 kV AC system with a Scott transformer simulation model. The model includes an energy quality parameter calculation algorithm with consideration to the train timetable. The simulation results enable an analysis of the energy quality parameters at the point of connection of the traction substation to the supplying grid. The presented tool enables the simultaneous calculation of voltage unbalance and harmonic content. The article presents the results of the energy quality analysis at the substation connection point for the specific location. The simulation results of the energy quality parameters are appraised on the basis of standard EN 50160:2010. The tool may prove helpful in the process of designing electrification systems, especially in the choice of traction transformer and power electronics device mitigating an imbalance and harmonic impact.

Assessment of AC traction substation influence on energy quality in a supplying grid

Power Engineering Institute, Electric Traction Division

Technical Transactions

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

This article presents investigations performed on a 25 kV AC system with a Scott transformer simulation model. The model includes an energy quality parameter...

Assessment of AC traction substation influence on energy quality in a supplying grid

Published Online: May 23, 2020

Page range: 127 - 138

Received: Nov 19, 2018

DOI: https://doi.org/10.4467/2353737XCT.18.183.9671

Keywords
AC electrification system, electric energy quality, simulation modelling, Scott transformer

© 2018 Włodzimierz Jefimowski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Assessment of AC traction substation influence on energy quality in a supplying grid

Published Online: May 23, 2020

Page range: 127 - 138

Received: Nov 19, 2018

DOI: https://doi.org/10.4467/2353737XCT.18.183.9671

KeywordsAC electrification system, electric energy quality, simulation modelling, Scott transformer

© 2018 Włodzimierz Jefimowski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Keywords
AC electrification system, electric energy quality, simulation modelling, Scott transformer